An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.
Helper package to shim a method into `Array.prototype[Symbol.unscopables]`
Simple and complete React DOM testing utilities that encourage good testing practices.
Encode FormData content into the multipart/form-data format
Is this value negative zero? === will lie to you
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
This plugin adds `TypeScript` support to `eslint-plugin-import`
ES2017 spec-compliant Object.entries shim.
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
Tilerama: A Node.js library for acquiring, constructing, analyzing, and visualizing complex street networks
ES proposal-spec-compliant Object.fromEntries shim.
Is this value an ES BigInt?
Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Plot automation for BURST coin
A collection of essential TypeScript types
Determine if a function is a native async function.
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Determine if a value is an ES6 Symbol or not.
A pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module.
Improved typeof detection for node.js and the browser.
`Object.defineProperty`, but not IE 8's broken one.
Pure random number generator written in TypeScript
Terminal task list reborn! Create beautiful CLI interfaces via easy and logical to implement task lists that feel alive and interactive.
Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.